Question

pls tell
and good explanation i will mark you as a brainlest

Answer 1

Answer:

x = 20°

Step-by-step explanation:

In the figure ∠ ACE = 90° + x

And,

40° + 70° + ∠ACB = 180° (angle sum property of a triangle)

∴∠ ACB = 180 - 110 = 70°

And ∠ACB + ∠ACE = 180° (Linear pair of angles)

∴ 70 + 90 + x = 180°

= 160 + x = 180°

∴ x = 20°